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A projectile is launched from ground level to the top of a cliff which is 95 m away and 135 m high (see fig 3-60). if the projectile lands of top of the cliff 6.6 s after it fired, find the initial velocity of the projectile (magnitude and direction) . Neglect air resistance.
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. calculate the radius of a chamber
What is the time constant of a 9.50 thick membrane surrounding a 4.0×10-2 diameter spherical cell? Suppose the resistivity of the cell membrane as and the dielectric constant is approximately 9.00.
The coefficient of performance of a refrigerator is 3.4. The compressor uses 20 J of energy per cycle. How much heat energy is exhausted per cycle
The maximum speed of a small girl on a swing is 3.96m/s. Calculate how high above the ground is she at her highest point
A young male adult takes in about 4.46 x 10-4 m3 of fresh air during a normal breath. Fresh air contains approximately 21% oxygen. find the number of oxygen molecules in a normal breath
Estimate the air pressure at the cloud base from the problem 1 assuming isothermal atmosphere with the average temperature between the cloud base and the surface
question1a movable piston having a mass of 12 kg and a cross-sectional area of 7 cm2 traps 0.25 mol of an ideal gas in
a student standing on a train staiton observes that the pitch (frequency) of the train decreases from 888.8 Hz to 862.8 Hz, What is the speed of the train
A rms AC voltage of 118 V at 60 Hz is applied to an RLC circuit with 11.8 mH inductor, 0.171 µF capacitor, and 43.1 ? resistor in series. What is the power factor of the circuit
The red block in the %u201CSame Volume%u201D floats in water. what volume of the blue block would float above the water line if the blue block was placed on top of the red block in the water
A spherical mirror is to be used to form an image 5.20 times the size of an object on a screen located 4.20 m from the object, What is the required radius of curvature of the mirror
Suppose the space shuttle is in orbit 460km from the Earth's surface, and circles the Earth about once every 93.80 minutes. Find the centripetal acceleration of the space shuttle in its orbit. Express your answer in terms of g, gravitational accelera..
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